On 6/6/23 01:07, Vijendar Mukunda wrote: > AMD SoundWire manager supports different power modes. > In case of SoundWire Power off Mode, ACP pci parent driver > should invoke acp de-init and init sequence during suspend/resume > callbacks. > > Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx> > --- > sound/soc/amd/ps/pci-ps.c | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) > > diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c > index daf54fe9cafd..5802a701b3b1 100644 > --- a/sound/soc/amd/ps/pci-ps.c > +++ b/sound/soc/amd/ps/pci-ps.c > @@ -662,10 +662,15 @@ static int snd_acp63_probe(struct pci_dev *pci, > static int __maybe_unused snd_acp63_suspend(struct device *dev) > { > struct acp63_dev_data *adata; > - int ret; > + int ret = 0; > > adata = dev_get_drvdata(dev); > - ret = acp63_deinit(adata->acp63_base, dev); > + if (adata->pdev_mask & ACP63_SDW_DEV_MASK) { And now back to my comment from the first patch, you are using a bit-wise operation with an enum which is not explicitly defined as a mask. This test would be true for ACP63_SDW_PDM_DEV_MASK as well. +enum acp_pdev_mask { + ACP63_PDM_DEV_MASK = 1, + ACP63_SDW_DEV_MASK, + ACP63_SDW_PDM_DEV_MASK, +}; > + if (adata->acp_reset) > + ret = acp63_deinit(adata->acp63_base, dev); > + } else { > + ret = acp63_deinit(adata->acp63_base, dev); > + } > if (ret) > dev_err(dev, "ACP de-init failed\n"); > return ret; > @@ -674,10 +679,15 @@ static int __maybe_unused snd_acp63_suspend(struct device *dev) > static int __maybe_unused snd_acp63_resume(struct device *dev) > { > struct acp63_dev_data *adata; > - int ret; > + int ret = 0; > > adata = dev_get_drvdata(dev); > - ret = acp63_init(adata->acp63_base, dev); > + if (adata->pdev_mask & ACP63_SDW_DEV_MASK) { > + if (adata->acp_reset) > + ret = acp63_init(adata->acp63_base, dev); > + } else { > + ret = acp63_init(adata->acp63_base, dev); > + } > if (ret) > dev_err(dev, "ACP init failed\n"); > return ret;